Curved base



FIG. 1 is a perspective view of a curved base showing our new design.

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being amirror image;

FIG. 5 is a perspective view of a variation of a curved base;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a side elevational view thereof.

The ornamental design for a curved base, as shown and described.